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TH72031

Features: Fully integrated PLL-stabilized VCOFrequency range from 850 MHz to 930 MHzSingle-ended RF outputFSK through crystal pulling allows modulation from DC to 40 kbit/sHigh FSK deviation possible for wideband data transmissionWide power supply range from 1.9 V to 5.5 VLow voltage detectorHigh ...

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TH72031: Features: Fully integrated PLL-stabilized VCOFrequency range from 850 MHz to 930 MHzSingle-ended RF outputFSK through crystal pulling allows modulation from DC to 40 kbit/sHigh FSK deviation possibl...

TH72031 Data Sheet

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Part Number:
TH72031
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Fully integrated PLL-stabilized VCO
Frequency range from 850 MHz to 930 MHz
Single-ended RF output
FSK through crystal pulling allows modulation from DC to 40 kbit/s
High FSK deviation possible for wideband data transmission
Wide power supply range from 1.9 V to 5.5 V
Low voltage detector
High over-all frequency accuracy
FSK deviation and center frequency independently adjustable
Very low standby current
Adjustable output power range from
      -15 dBm to +6 dBm
Adjustable current consumption from 4.0 mA to 14.0 mA
Conforms to EN 300 220 and similar standards


Application

General digital data transmission
Tire Pressure Monitoring System(TPMS)
Remote Keyless Entry (RKE)
Low-power telemetry
Alarm and security systems
Garage door openers
Home automation
Remote controls
Local oscillator signal generation


Pinout

Connection Diagram


Specifications

Parameter Symbol Condition Min Max Unit
Supply voltage VCC   -0.3 7.0 V
Input voltage VIN   -0.3 VCC+0.3 V
Storage temperature TSTG   -65 165 °C
Junction temperature TJ     150 °C
Power dissipation Pdiss     0.12 W
Electrostatic discharge VESD HBM according to MIL
STD 833D method 3015.7		 -1.0 +1.0
kV



Description

The TH72031 FSK transmitter IC is designed for applications in the European 868MHz industrial-scientificmedical (ISM) band, according to the EN 300 220 telecommunications standard. It can also be used for any other system with carrier frequencies ranging from 850 MHz to 930 MHz (e.g. for applications in the US 915 MHz ISM band).

The transmitter TH72031's carrier frequency fc is determined by the frequency of the reference crystal fref. The integrated PLL synthesizer ensures that each RF value, ranging from 850 MHz to 930 MHz, can be achieved by using a crystal with a reference frequency according to: fref = fc/N, where N = 32 is the PLL feedback divider ratio.




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